Closed stream lines in uncertain vector fields

  • Authors:
  • Mathias Otto;Tobias Germer;Holger Theisel

  • Affiliations:
  • Otto-von-Guericke University, Magdeburg;Otto-von-Guericke University, Magdeburg;Otto-von-Guericke University, Magdeburg

  • Venue:
  • Proceedings of the 27th Spring Conference on Computer Graphics
  • Year:
  • 2011

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Abstract

We present a method for the detection and visualization of closed stream lines topologically acting as sources or sinks in uncertain 2D and 3D vector fields. For their detection, we apply a Monte Carlo simulation which generates particle distribution functions representing sinks and sources. We show that in the uncertain case there is no structural difference between critical points and closed orbits. This allows the application of critical point extractors to closed stream lines as well. We show applications for some synthetic and real world examples.